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Tan Tock Seng Hospital

2 ARTICLES PUBLISHED IN JoVE

Medicine

Fluorescent Dye Labeling of Erythrocytes and Leukocytes for Studying the Flow Dynamics in Mouse Retinal Circulation

Rupesh Agrawal^*1,2,3, Praveen Kumar Balne^*2, Sai Bo Bo Tun², Yeo Sia Wey², Neha Khandelwal¹, Veluchamy A. Barathi^2,4,5

¹National Healthcare Group Eye Institute, Tan Tock Seng Hospital, ²Singapore Eye Research Institute (SERI), Singapore National Eye Center, ³School of Material Science and Engineering, Nanyang Technological University, ⁴Department of Ophthalmology, Yong Loo Lin School of Medicine, National University Health Systems, National University of Singapore, ⁵Ophthalmology Academic Clinical Research Program, DUKE-NUS Graduate Medical School

Live-cell imaging of the labeled blood cells in ocular circulation can provide information about inflammation and ischemia in diabetic retinopathy and age-related macular degeneration. A protocol to label blood cells and image the labeled cells in the retinal circulation is described.

Immunology and Infection

Bead Based Multiplex Assay for Analysis of Tear Cytokine Profiles

Praveen Kumar Balne^1,2, Veonice Bijin AU³, Louis Tong², Arkasubhra Ghosh⁴, Mukesh Agrawal⁵, John Connolly³, Rupesh Agrawal¹

¹National Healthcare Group Eye Institute, Tan Tock Seng Hospital, ²Singapore Eye Research Institute (SERI), ³Institute of Molecular and Cell Biology, A*STAR, ⁴GROW Research Laboratory, Narayana Nethralaya Foundation, ⁵Vimta Labs Limited

Analysis of tear film cytokines helps in studying various ocular diseases. Bead based multiplex assays are simple and sensitive and enable the testing of multiple targets in samples with small volumes. Here we describe a protocol for tear film cytokine profiling a using bead based multiplex assay.